#331510 Color
#331510 is rgb(51, 21, 16) in RGB, hsl(9, 52%, 13%) in HSL, and about cmyk(0%, 59%, 69%, 80%) in CMYK. It has no registered color name of its own — the closest is Root Beer (#290E05), very hard to tell apart at ΔE 4.27. White text is the more readable choice on this background.
#331510rgb(51, 21, 16)hsl(9, 52%, 13%)hsv(9, 69%, 20%)cmyk(0%, 59%, 69%, 80%)oklch(23.9% 0.05 30.9)lab(11.31% 15.06 10.28)lch(11.31% 18.23 34.31)What #331510 Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #331510, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every red in the library.
#331510 Channel Values
How #331510 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 51 · G 21 · B 16 | 8-bit channels as sent to the display |
| HSL | H 9° · S 52% · L 13% | Easiest model for building lighter and darker variants |
| HSV | H 9° · S 69% · V 20% | Matches the picker in most design tools |
| CMYK | C 0% · M 59% · Y 69% · K 80% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 16.73:1 vs white · 1.26:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #331510 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #331510 in the contrast checker.
Colors That Go With #331510
Pairings derived from color-wheel relationships. The complementary color sits opposite #331510; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #331510
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #331510.
How #331510 Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#331510#1C1C10#271A10#22220E#2A1D0F#331414#331513#1E1E1EUsing #331510 in Code
Copy-ready declarations for the places this color usually ends up.
--color-331510: #331510;background-color: #331510;colors: { 'color-331510': '#331510' }Color(red: 0.200, green: 0.082, blue: 0.063)<color name="color_331510">#331510</color>fill="#331510"More Red Colors
#331510 sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.
#331510 Frequently Asked Questions
What color is #331510?
#331510 is a darkest red — rgb(51, 21, 16) in RGB and hsl(9, 52%, 13%) in HSL. It carries no registered color name of its own; the closest named color is Root Beer (#290E05), which is very hard to tell apart at a CIE76 distance of 4.27.
What is the RGB value of #331510?
#331510 is rgb(51, 21, 16) — red 51, green 21, and blue 16 on the 0-255 scale.
What is the CMYK value of #331510?
#331510 converts to approximately cmyk(0%, 59%, 69%, 80%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #331510 be black or white?
White text is the more readable choice. #331510 scores 16.73:1 against white and 1.26:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #331510 as a CSS color keyword?
No. #331510 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is black (#000000) at a CIE76 distance of 21.46, which is visibly different.
Open #331510 in a Tool
Keep exploring: every red in the color library, the guide to shades of red, or the full color library.